FIGURES 19–26. Metasomal tergum I in Contribution to the taxonomy of the Hylaeus gibbus species group in Europe (Hymenoptera, Apoidea and Colletidae)

FIGURES 19–26. Metasomal tergum I, dorsal view, males left and females right. 19, 20—Hylaeus confusus; 21, 22—Hylaeus gibbus; 23, 24—Hylaeus incongruus; 25, 26—Hylaeus pictus.Published as part of Straka, Jakub & Bogusch, Petr, 2011, Contribution to the taxonomy of the Hylaeus gibbus species group in Europe (Hymenoptera, Apoidea and Colletidae), pp. 51-67 in Zootaxa 2932 on page 60, DOI: 10.5281/zenodo.20227